Mark A. Higuchi, MSc, PhD, received his doctorate in Engineering Management from California Coast University, Santa Ana in 2004; Masters in Toxicology from North Carolina State University, Raleigh in 1985; and BS in Environmental Chemistry from Long Island University, Southampton College, NY in 1982. Dr. Higuchi has worked in the field of inhalation toxicology and engineering for over 30 years in which he designed and developed numerous novel in-vitro and in-vivo exposure systems for the conduct of inhalation toxicology studies. In his career, he has lead inhalation toxicology research teams within industry, contract research organizations, and government research laboratories. He provides expertise, mentoring, and training in the field of inhalation toxicology. Since 2010, he has been Branch Chief of the Inhalation Toxicology Facilities within the Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, Office of Research and Development at the U.S. EPA in RTP, NC.